Features and performance of the CARIX MCP framing cameras

Dominique Gontier; Alain Mens; Pascal Brunel; Philippe Troussel; Philippe Stemmler

doi:10.1117/12.273444

28 May 1997 Features and performance of the CARIX MCP framing cameras

Dominique Gontier, Alain Mens, Pascal Brunel, Philippe Troussel, Philippe Stemmler

Proceedings Volume 2869, 22nd International Congress on High-Speed Photography and Photonics; (1997) https://doi.org/10.1117/12.273444
Event: 22nd International Congress on High-Speed Photography and Photonics, 1996, Santa Fe, NM, United States

Abstract

The multi-image framing camera based on gated MicroChannel Plates (MCPs), used in ICF programs, allows to obtain a sequence of 2D images in the x-ray range with gating times smaller than 100 ps and spatial resolution better than 20 pl/mm. After using such devices from different factories, we decided to build our own tube. Our choice is motivated by the great fragility of the tube, consequent to both bad vacuum during the experiment and moisture due to frequent air launching, and by the mastery of the technology which is necessary to repair rapidly such apparatuses. The characteristics of the tube, particularly shutter time and spectral response, must be known as exactly as possible. Consequently we describe in these pages the method used to measure a shutter time of about 75 ps and we appraise the errors due to the FWHM and the spatial unstability of the UV laser pulse employed to illuminate the front side of the MCP. The measurement of the spectral sensitivity, determined by experiments with synchrotron radiation on the storage ring SUPERACO in Orsay (France), shows a response in the energy band 2 - 5 keV different from the one measured with the gold vacuum-deposited photocathode on the MCP.

Citation Download Citation

Dominique Gontier, Alain Mens, Pascal Brunel, Philippe Troussel, and Philippe Stemmler "Features and performance of the CARIX MCP framing cameras", Proc. SPIE 2869, 22nd International Congress on High-Speed Photography and Photonics, (28 May 1997); https://doi.org/10.1117/12.273444

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